66087304 has 16 divisors (see below), whose sum is σ = 124029900. Its totient is φ = 33012672.

The previous prime is 66087299. The next prime is 66087331. The reversal of 66087304 is 40378066.

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 2566404 = 7970^2 + 1602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66087304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6982 + ... + 13450.

Almost surely, 2^66087304 is an apocalyptic number.

It is an amenable number.

66087304 is a deficient number, since it is larger than the sum of its proper divisors (57942596).

66087304 is a wasteful number, since it uses less digits than its factorization.

66087304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 66087304 is about 8129.4098186769. The cubic root of 66087304 is about 404.3021136612.

The spelling of 66087304 in words is "sixty-six million, eighty-seven thousand, three hundred four".